Reservoir for solvent delivery



FIG. 1 is a side elevational view of a reservoir for solvent delivery showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof; and

FIG. 4 is a longitudinal cross-sectional view of FIG. 1. 

The ornamental design for a reservoir for solvent delivery, substantially as shown and described. 